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1 /*
2 * WPA Supplicant - Basic AP mode support routines
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2009, Atheros Communications
5 *
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
8 */
9
10 #include "utils/includes.h"
11
12 #include "utils/common.h"
13 #include "utils/eloop.h"
14 #include "utils/uuid.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/wpa_ctrl.h"
17 #include "eapol_supp/eapol_supp_sm.h"
18 #include "crypto/dh_group5.h"
19 #include "ap/hostapd.h"
20 #include "ap/ap_config.h"
21 #include "ap/ap_drv_ops.h"
22 #ifdef NEED_AP_MLME
23 #include "ap/ieee802_11.h"
24 #endif /* NEED_AP_MLME */
25 #include "ap/beacon.h"
26 #include "ap/ieee802_1x.h"
27 #include "ap/wps_hostapd.h"
28 #include "ap/ctrl_iface_ap.h"
29 #include "ap/dfs.h"
30 #include "wps/wps.h"
31 #include "common/ieee802_11_defs.h"
32 #include "config_ssid.h"
33 #include "config.h"
34 #include "wpa_supplicant_i.h"
35 #include "driver_i.h"
36 #include "p2p_supplicant.h"
37 #include "ap.h"
38 #include "ap/sta_info.h"
39 #include "notify.h"
40
41
42 #ifdef CONFIG_WPS
43 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
44 #endif /* CONFIG_WPS */
45
46
47 #ifdef CONFIG_IEEE80211N
48 static void wpas_conf_ap_vht(struct wpa_supplicant *wpa_s,
49 struct wpa_ssid *ssid,
50 struct hostapd_config *conf,
51 struct hostapd_hw_modes *mode)
52 {
53 #ifdef CONFIG_P2P
54 u8 center_chan = 0;
55 u8 channel = conf->channel;
56 #endif /* CONFIG_P2P */
57
58 if (!conf->secondary_channel)
59 goto no_vht;
60
61 /* Use the maximum oper channel width if it's given. */
62 if (ssid->max_oper_chwidth)
63 conf->vht_oper_chwidth = ssid->max_oper_chwidth;
64
65 ieee80211_freq_to_chan(ssid->vht_center_freq2,
66 &conf->vht_oper_centr_freq_seg1_idx);
67
68 if (!ssid->p2p_group) {
69 if (!ssid->vht_center_freq1 ||
70 conf->vht_oper_chwidth == CHANWIDTH_USE_HT)
71 goto no_vht;
72 ieee80211_freq_to_chan(ssid->vht_center_freq1,
73 &conf->vht_oper_centr_freq_seg0_idx);
74 wpa_printf(MSG_DEBUG, "VHT seg0 index %d for AP",
75 conf->vht_oper_centr_freq_seg0_idx);
76 return;
77 }
78
79 #ifdef CONFIG_P2P
80 switch (conf->vht_oper_chwidth) {
81 case CHANWIDTH_80MHZ:
82 case CHANWIDTH_80P80MHZ:
83 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode, channel);
84 wpa_printf(MSG_DEBUG,
85 "VHT center channel %u for 80 or 80+80 MHz bandwidth",
86 center_chan);
87 break;
88 case CHANWIDTH_160MHZ:
89 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
90 wpa_printf(MSG_DEBUG,
91 "VHT center channel %u for 160 MHz bandwidth",
92 center_chan);
93 break;
94 default:
95 /*
96 * conf->vht_oper_chwidth might not be set for non-P2P GO cases,
97 * try oper_cwidth 160 MHz first then VHT 80 MHz, if 160 MHz is
98 * not supported.
99 */
100 conf->vht_oper_chwidth = CHANWIDTH_160MHZ;
101 center_chan = wpas_p2p_get_vht160_center(wpa_s, mode, channel);
102 if (center_chan) {
103 wpa_printf(MSG_DEBUG,
104 "VHT center channel %u for auto-selected 160 MHz bandwidth",
105 center_chan);
106 } else {
107 conf->vht_oper_chwidth = CHANWIDTH_80MHZ;
108 center_chan = wpas_p2p_get_vht80_center(wpa_s, mode,
109 channel);
110 wpa_printf(MSG_DEBUG,
111 "VHT center channel %u for auto-selected 80 MHz bandwidth",
112 center_chan);
113 }
114 break;
115 }
116 if (!center_chan)
117 goto no_vht;
118
119 conf->vht_oper_centr_freq_seg0_idx = center_chan;
120 wpa_printf(MSG_DEBUG, "VHT seg0 index %d for P2P GO",
121 conf->vht_oper_centr_freq_seg0_idx);
122 return;
123 #endif /* CONFIG_P2P */
124
125 no_vht:
126 wpa_printf(MSG_DEBUG,
127 "No VHT higher bandwidth support for the selected channel %d",
128 conf->channel);
129 conf->vht_oper_centr_freq_seg0_idx =
130 conf->channel + conf->secondary_channel * 2;
131 conf->vht_oper_chwidth = CHANWIDTH_USE_HT;
132 }
133 #endif /* CONFIG_IEEE80211N */
134
135
136 int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
137 struct wpa_ssid *ssid,
138 struct hostapd_config *conf)
139 {
140 conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
141 &conf->channel);
142
143 if (conf->hw_mode == NUM_HOSTAPD_MODES) {
144 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
145 ssid->frequency);
146 return -1;
147 }
148
149 /* TODO: enable HT40 if driver supports it;
150 * drop to 11b if driver does not support 11g */
151
152 #ifdef CONFIG_IEEE80211N
153 /*
154 * Enable HT20 if the driver supports it, by setting conf->ieee80211n
155 * and a mask of allowed capabilities within conf->ht_capab.
156 * Using default config settings for: conf->ht_op_mode_fixed,
157 * conf->secondary_channel, conf->require_ht
158 */
159 if (wpa_s->hw.modes) {
160 struct hostapd_hw_modes *mode = NULL;
161 int i, no_ht = 0;
162
163 wpa_printf(MSG_DEBUG,
164 "Determining HT/VHT options based on driver capabilities (freq=%u chan=%u)",
165 ssid->frequency, conf->channel);
166
167 for (i = 0; i < wpa_s->hw.num_modes; i++) {
168 if (wpa_s->hw.modes[i].mode == conf->hw_mode) {
169 mode = &wpa_s->hw.modes[i];
170 break;
171 }
172 }
173
174 #ifdef CONFIG_HT_OVERRIDES
175 if (ssid->disable_ht)
176 ssid->ht = 0;
177 #endif /* CONFIG_HT_OVERRIDES */
178
179 if (!ssid->ht) {
180 wpa_printf(MSG_DEBUG,
181 "HT not enabled in network profile");
182 conf->ieee80211n = 0;
183 conf->ht_capab = 0;
184 no_ht = 1;
185 }
186
187 if (!no_ht && mode && mode->ht_capab) {
188 wpa_printf(MSG_DEBUG,
189 "Enable HT support (p2p_group=%d 11a=%d ht40_hw_capab=%d ssid->ht40=%d)",
190 ssid->p2p_group,
191 conf->hw_mode == HOSTAPD_MODE_IEEE80211A,
192 !!(mode->ht_capab &
193 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET),
194 ssid->ht40);
195 conf->ieee80211n = 1;
196 #ifdef CONFIG_P2P
197 if (ssid->p2p_group &&
198 conf->hw_mode == HOSTAPD_MODE_IEEE80211A &&
199 (mode->ht_capab &
200 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
201 ssid->ht40) {
202 conf->secondary_channel =
203 wpas_p2p_get_ht40_mode(wpa_s, mode,
204 conf->channel);
205 wpa_printf(MSG_DEBUG,
206 "HT secondary channel offset %d for P2P group",
207 conf->secondary_channel);
208 }
209 #endif /* CONFIG_P2P */
210
211 if (!ssid->p2p_group &&
212 (mode->ht_capab &
213 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) {
214 conf->secondary_channel = ssid->ht40;
215 wpa_printf(MSG_DEBUG,
216 "HT secondary channel offset %d for AP",
217 conf->secondary_channel);
218 }
219
220 if (conf->secondary_channel)
221 conf->ht_capab |=
222 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;
223
224 /*
225 * white-list capabilities that won't cause issues
226 * to connecting stations, while leaving the current
227 * capabilities intact (currently disabled SMPS).
228 */
229 conf->ht_capab |= mode->ht_capab &
230 (HT_CAP_INFO_GREEN_FIELD |
231 HT_CAP_INFO_SHORT_GI20MHZ |
232 HT_CAP_INFO_SHORT_GI40MHZ |
233 HT_CAP_INFO_RX_STBC_MASK |
234 HT_CAP_INFO_TX_STBC |
235 HT_CAP_INFO_MAX_AMSDU_SIZE);
236
237 if (mode->vht_capab && ssid->vht) {
238 conf->ieee80211ac = 1;
239 conf->vht_capab |= mode->vht_capab;
240 wpas_conf_ap_vht(wpa_s, ssid, conf, mode);
241 }
242
243 if (mode->he_capab[wpas_mode_to_ieee80211_mode(
244 ssid->mode)].he_supported &&
245 ssid->he)
246 conf->ieee80211ax = 1;
247 }
248 }
249
250 if (conf->secondary_channel) {
251 struct wpa_supplicant *iface;
252
253 for (iface = wpa_s->global->ifaces; iface; iface = iface->next)
254 {
255 if (iface == wpa_s ||
256 iface->wpa_state < WPA_AUTHENTICATING ||
257 (int) iface->assoc_freq != ssid->frequency)
258 continue;
259
260 /*
261 * Do not allow 40 MHz co-ex PRI/SEC switch to force us
262 * to change our PRI channel since we have an existing,
263 * concurrent connection on that channel and doing
264 * multi-channel concurrency is likely to cause more
265 * harm than using different PRI/SEC selection in
266 * environment with multiple BSSes on these two channels
267 * with mixed 20 MHz or PRI channel selection.
268 */
269 conf->no_pri_sec_switch = 1;
270 }
271 }
272 #endif /* CONFIG_IEEE80211N */
273
274 return 0;
275 }
276
277
278 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
279 struct wpa_ssid *ssid,
280 struct hostapd_config *conf)
281 {
282 struct hostapd_bss_config *bss = conf->bss[0];
283
284 conf->driver = wpa_s->driver;
285
286 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
287
288 if (wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf))
289 return -1;
290
291 if (ssid->pbss > 1) {
292 wpa_printf(MSG_ERROR, "Invalid pbss value(%d) for AP mode",
293 ssid->pbss);
294 return -1;
295 }
296 bss->pbss = ssid->pbss;
297
298 #ifdef CONFIG_ACS
299 if (ssid->acs) {
300 /* Setting channel to 0 in order to enable ACS */
301 conf->channel = 0;
302 wpa_printf(MSG_DEBUG, "Use automatic channel selection");
303 }
304 #endif /* CONFIG_ACS */
305
306 if (ieee80211_is_dfs(ssid->frequency, wpa_s->hw.modes,
307 wpa_s->hw.num_modes) && wpa_s->conf->country[0]) {
308 conf->ieee80211h = 1;
309 conf->ieee80211d = 1;
310 conf->country[0] = wpa_s->conf->country[0];
311 conf->country[1] = wpa_s->conf->country[1];
312 conf->country[2] = ' ';
313 }
314
315 #ifdef CONFIG_P2P
316 if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G &&
317 (ssid->mode == WPAS_MODE_P2P_GO ||
318 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) {
319 /* Remove 802.11b rates from supported and basic rate sets */
320 int *list = os_malloc(4 * sizeof(int));
321 if (list) {
322 list[0] = 60;
323 list[1] = 120;
324 list[2] = 240;
325 list[3] = -1;
326 }
327 conf->basic_rates = list;
328
329 list = os_malloc(9 * sizeof(int));
330 if (list) {
331 list[0] = 60;
332 list[1] = 90;
333 list[2] = 120;
334 list[3] = 180;
335 list[4] = 240;
336 list[5] = 360;
337 list[6] = 480;
338 list[7] = 540;
339 list[8] = -1;
340 }
341 conf->supported_rates = list;
342 }
343
344 #ifdef CONFIG_IEEE80211AX
345 if (ssid->mode == WPAS_MODE_P2P_GO ||
346 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
347 conf->ieee80211ax = ssid->he;
348 #endif /* CONFIG_IEEE80211AX */
349
350 bss->isolate = !wpa_s->conf->p2p_intra_bss;
351 bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk;
352
353 if (ssid->p2p_group) {
354 os_memcpy(bss->ip_addr_go, wpa_s->p2pdev->conf->ip_addr_go, 4);
355 os_memcpy(bss->ip_addr_mask, wpa_s->p2pdev->conf->ip_addr_mask,
356 4);
357 os_memcpy(bss->ip_addr_start,
358 wpa_s->p2pdev->conf->ip_addr_start, 4);
359 os_memcpy(bss->ip_addr_end, wpa_s->p2pdev->conf->ip_addr_end,
360 4);
361 }
362 #endif /* CONFIG_P2P */
363
364 if (ssid->ssid_len == 0) {
365 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
366 return -1;
367 }
368 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
369 bss->ssid.ssid_len = ssid->ssid_len;
370 bss->ssid.ssid_set = 1;
371
372 bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid;
373
374 if (ssid->auth_alg)
375 bss->auth_algs = ssid->auth_alg;
376
377 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
378 bss->wpa = ssid->proto;
379 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
380 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
381 else
382 bss->wpa_key_mgmt = ssid->key_mgmt;
383 bss->wpa_pairwise = ssid->pairwise_cipher;
384 if (ssid->psk_set) {
385 bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk));
386 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
387 if (bss->ssid.wpa_psk == NULL)
388 return -1;
389 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
390 bss->ssid.wpa_psk->group = 1;
391 bss->ssid.wpa_psk_set = 1;
392 } else if (ssid->passphrase) {
393 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
394 } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] ||
395 ssid->wep_key_len[2] || ssid->wep_key_len[3]) {
396 struct hostapd_wep_keys *wep = &bss->ssid.wep;
397 int i;
398 for (i = 0; i < NUM_WEP_KEYS; i++) {
399 if (ssid->wep_key_len[i] == 0)
400 continue;
401 wep->key[i] = os_memdup(ssid->wep_key[i],
402 ssid->wep_key_len[i]);
403 if (wep->key[i] == NULL)
404 return -1;
405 wep->len[i] = ssid->wep_key_len[i];
406 }
407 wep->idx = ssid->wep_tx_keyidx;
408 wep->keys_set = 1;
409 }
410
411 if (wpa_s->conf->go_interworking) {
412 wpa_printf(MSG_DEBUG,
413 "P2P: Enable Interworking with access_network_type: %d",
414 wpa_s->conf->go_access_network_type);
415 bss->interworking = wpa_s->conf->go_interworking;
416 bss->access_network_type = wpa_s->conf->go_access_network_type;
417 bss->internet = wpa_s->conf->go_internet;
418 if (wpa_s->conf->go_venue_group) {
419 wpa_printf(MSG_DEBUG,
420 "P2P: Venue group: %d Venue type: %d",
421 wpa_s->conf->go_venue_group,
422 wpa_s->conf->go_venue_type);
423 bss->venue_group = wpa_s->conf->go_venue_group;
424 bss->venue_type = wpa_s->conf->go_venue_type;
425 bss->venue_info_set = 1;
426 }
427 }
428
429 if (ssid->ap_max_inactivity)
430 bss->ap_max_inactivity = ssid->ap_max_inactivity;
431
432 if (ssid->dtim_period)
433 bss->dtim_period = ssid->dtim_period;
434 else if (wpa_s->conf->dtim_period)
435 bss->dtim_period = wpa_s->conf->dtim_period;
436
437 if (ssid->beacon_int)
438 conf->beacon_int = ssid->beacon_int;
439 else if (wpa_s->conf->beacon_int)
440 conf->beacon_int = wpa_s->conf->beacon_int;
441
442 #ifdef CONFIG_P2P
443 if (ssid->mode == WPAS_MODE_P2P_GO ||
444 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) {
445 if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) {
446 wpa_printf(MSG_INFO,
447 "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it",
448 wpa_s->conf->p2p_go_ctwindow,
449 conf->beacon_int);
450 conf->p2p_go_ctwindow = 0;
451 } else {
452 conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow;
453 }
454 }
455 #endif /* CONFIG_P2P */
456
457 if ((bss->wpa & 2) && bss->rsn_pairwise == 0)
458 bss->rsn_pairwise = bss->wpa_pairwise;
459 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise,
460 bss->rsn_pairwise);
461
462 if (bss->wpa && bss->ieee802_1x)
463 bss->ssid.security_policy = SECURITY_WPA;
464 else if (bss->wpa)
465 bss->ssid.security_policy = SECURITY_WPA_PSK;
466 else if (bss->ieee802_1x) {
467 int cipher = WPA_CIPHER_NONE;
468 bss->ssid.security_policy = SECURITY_IEEE_802_1X;
469 bss->ssid.wep.default_len = bss->default_wep_key_len;
470 if (bss->default_wep_key_len)
471 cipher = bss->default_wep_key_len >= 13 ?
472 WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40;
473 bss->wpa_group = cipher;
474 bss->wpa_pairwise = cipher;
475 bss->rsn_pairwise = cipher;
476 } else if (bss->ssid.wep.keys_set) {
477 int cipher = WPA_CIPHER_WEP40;
478 if (bss->ssid.wep.len[0] >= 13)
479 cipher = WPA_CIPHER_WEP104;
480 bss->ssid.security_policy = SECURITY_STATIC_WEP;
481 bss->wpa_group = cipher;
482 bss->wpa_pairwise = cipher;
483 bss->rsn_pairwise = cipher;
484 } else {
485 bss->ssid.security_policy = SECURITY_PLAINTEXT;
486 bss->wpa_group = WPA_CIPHER_NONE;
487 bss->wpa_pairwise = WPA_CIPHER_NONE;
488 bss->rsn_pairwise = WPA_CIPHER_NONE;
489 }
490
491 if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) &&
492 (bss->wpa_group == WPA_CIPHER_CCMP ||
493 bss->wpa_group == WPA_CIPHER_GCMP ||
494 bss->wpa_group == WPA_CIPHER_CCMP_256 ||
495 bss->wpa_group == WPA_CIPHER_GCMP_256)) {
496 /*
497 * Strong ciphers do not need frequent rekeying, so increase
498 * the default GTK rekeying period to 24 hours.
499 */
500 bss->wpa_group_rekey = 86400;
501 }
502
503 #ifdef CONFIG_IEEE80211W
504 if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT)
505 bss->ieee80211w = ssid->ieee80211w;
506 #endif /* CONFIG_IEEE80211W */
507
508 #ifdef CONFIG_OCV
509 bss->ocv = ssid->ocv;
510 #endif /* CONFIG_OCV */
511
512 #ifdef CONFIG_WPS
513 /*
514 * Enable WPS by default for open and WPA/WPA2-Personal network, but
515 * require user interaction to actually use it. Only the internal
516 * Registrar is supported.
517 */
518 if (bss->ssid.security_policy != SECURITY_WPA_PSK &&
519 bss->ssid.security_policy != SECURITY_PLAINTEXT)
520 goto no_wps;
521 if (bss->ssid.security_policy == SECURITY_WPA_PSK &&
522 (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) ||
523 !(bss->wpa & 2)))
524 goto no_wps; /* WPS2 does not allow WPA/TKIP-only
525 * configuration */
526 if (ssid->wps_disabled)
527 goto no_wps;
528 bss->eap_server = 1;
529
530 if (!ssid->ignore_broadcast_ssid)
531 bss->wps_state = 2;
532
533 bss->ap_setup_locked = 2;
534 if (wpa_s->conf->config_methods)
535 bss->config_methods = os_strdup(wpa_s->conf->config_methods);
536 os_memcpy(bss->device_type, wpa_s->conf->device_type,
537 WPS_DEV_TYPE_LEN);
538 if (wpa_s->conf->device_name) {
539 bss->device_name = os_strdup(wpa_s->conf->device_name);
540 bss->friendly_name = os_strdup(wpa_s->conf->device_name);
541 }
542 if (wpa_s->conf->manufacturer)
543 bss->manufacturer = os_strdup(wpa_s->conf->manufacturer);
544 if (wpa_s->conf->model_name)
545 bss->model_name = os_strdup(wpa_s->conf->model_name);
546 if (wpa_s->conf->model_number)
547 bss->model_number = os_strdup(wpa_s->conf->model_number);
548 if (wpa_s->conf->serial_number)
549 bss->serial_number = os_strdup(wpa_s->conf->serial_number);
550 if (is_nil_uuid(wpa_s->conf->uuid))
551 os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN);
552 else
553 os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
554 os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
555 bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
556 if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE)
557 bss->fragment_size = ssid->eap.fragment_size;
558 no_wps:
559 #endif /* CONFIG_WPS */
560
561 if (wpa_s->max_stations &&
562 wpa_s->max_stations < wpa_s->conf->max_num_sta)
563 bss->max_num_sta = wpa_s->max_stations;
564 else
565 bss->max_num_sta = wpa_s->conf->max_num_sta;
566
567 if (!bss->isolate)
568 bss->isolate = wpa_s->conf->ap_isolate;
569
570 bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
571
572 if (wpa_s->conf->ap_vendor_elements) {
573 bss->vendor_elements =
574 wpabuf_dup(wpa_s->conf->ap_vendor_elements);
575 }
576
577 bss->ftm_responder = wpa_s->conf->ftm_responder;
578 bss->ftm_initiator = wpa_s->conf->ftm_initiator;
579
580 return 0;
581 }
582
583
584 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
585 {
586 #ifdef CONFIG_P2P
587 struct wpa_supplicant *wpa_s = ctx;
588 const struct ieee80211_mgmt *mgmt;
589
590 mgmt = (const struct ieee80211_mgmt *) buf;
591 if (len < IEEE80211_HDRLEN + 1)
592 return;
593 if (mgmt->u.action.category != WLAN_ACTION_PUBLIC)
594 return;
595 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
596 mgmt->u.action.category,
597 buf + IEEE80211_HDRLEN + 1,
598 len - IEEE80211_HDRLEN - 1, freq);
599 #endif /* CONFIG_P2P */
600 }
601
602
603 static void ap_wps_event_cb(void *ctx, enum wps_event event,
604 union wps_event_data *data)
605 {
606 #ifdef CONFIG_P2P
607 struct wpa_supplicant *wpa_s = ctx;
608
609 if (event == WPS_EV_FAIL) {
610 struct wps_event_fail *fail = &data->fail;
611
612 if (wpa_s->p2pdev && wpa_s->p2pdev != wpa_s &&
613 wpa_s == wpa_s->global->p2p_group_formation) {
614 /*
615 * src/ap/wps_hostapd.c has already sent this on the
616 * main interface, so only send on the parent interface
617 * here if needed.
618 */
619 wpa_msg(wpa_s->p2pdev, MSG_INFO, WPS_EVENT_FAIL
620 "msg=%d config_error=%d",
621 fail->msg, fail->config_error);
622 }
623 wpas_p2p_wps_failed(wpa_s, fail);
624 }
625 #endif /* CONFIG_P2P */
626 }
627
628
629 static void ap_sta_authorized_cb(void *ctx, const u8 *mac_addr,
630 int authorized, const u8 *p2p_dev_addr)
631 {
632 wpas_notify_sta_authorized(ctx, mac_addr, authorized, p2p_dev_addr);
633 }
634
635
636 #ifdef CONFIG_P2P
637 static void ap_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr,
638 const u8 *psk, size_t psk_len)
639 {
640
641 struct wpa_supplicant *wpa_s = ctx;
642 if (wpa_s->ap_iface == NULL || wpa_s->current_ssid == NULL)
643 return;
644 wpas_p2p_new_psk_cb(wpa_s, mac_addr, p2p_dev_addr, psk, psk_len);
645 }
646 #endif /* CONFIG_P2P */
647
648
649 static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
650 {
651 #ifdef CONFIG_P2P
652 struct wpa_supplicant *wpa_s = ctx;
653 const struct ieee80211_mgmt *mgmt;
654
655 mgmt = (const struct ieee80211_mgmt *) buf;
656 if (len < IEEE80211_HDRLEN + 1)
657 return -1;
658 wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
659 mgmt->u.action.category,
660 buf + IEEE80211_HDRLEN + 1,
661 len - IEEE80211_HDRLEN - 1, freq);
662 #endif /* CONFIG_P2P */
663 return 0;
664 }
665
666
667 static int ap_probe_req_rx(void *ctx, const u8 *sa, const u8 *da,
668 const u8 *bssid, const u8 *ie, size_t ie_len,
669 int ssi_signal)
670 {
671 struct wpa_supplicant *wpa_s = ctx;
672 unsigned int freq = 0;
673
674 if (wpa_s->ap_iface)
675 freq = wpa_s->ap_iface->freq;
676
677 return wpas_p2p_probe_req_rx(wpa_s, sa, da, bssid, ie, ie_len,
678 freq, ssi_signal);
679 }
680
681
682 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
683 const u8 *uuid_e)
684 {
685 struct wpa_supplicant *wpa_s = ctx;
686 wpas_p2p_wps_success(wpa_s, mac_addr, 1);
687 }
688
689
690 static void wpas_ap_configured_cb(void *ctx)
691 {
692 struct wpa_supplicant *wpa_s = ctx;
693
694 wpa_printf(MSG_DEBUG, "AP interface setup completed - state %s",
695 hostapd_state_text(wpa_s->ap_iface->state));
696 if (wpa_s->ap_iface->state == HAPD_IFACE_DISABLED) {
697 wpa_supplicant_ap_deinit(wpa_s);
698 return;
699 }
700
701 #ifdef CONFIG_ACS
702 if (wpa_s->current_ssid && wpa_s->current_ssid->acs) {
703 wpa_s->assoc_freq = wpa_s->ap_iface->freq;
704 wpa_s->current_ssid->frequency = wpa_s->ap_iface->freq;
705 }
706 #endif /* CONFIG_ACS */
707
708 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
709
710 if (wpa_s->ap_configured_cb)
711 wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
712 wpa_s->ap_configured_cb_data);
713 }
714
715
716 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
717 struct wpa_ssid *ssid)
718 {
719 struct wpa_driver_associate_params params;
720 struct hostapd_iface *hapd_iface;
721 struct hostapd_config *conf;
722 size_t i;
723
724 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
725 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
726 return -1;
727 }
728
729 wpa_supplicant_ap_deinit(wpa_s);
730
731 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
732 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
733
734 os_memset(&params, 0, sizeof(params));
735 params.ssid = ssid->ssid;
736 params.ssid_len = ssid->ssid_len;
737 switch (ssid->mode) {
738 case WPAS_MODE_AP:
739 case WPAS_MODE_P2P_GO:
740 case WPAS_MODE_P2P_GROUP_FORMATION:
741 params.mode = IEEE80211_MODE_AP;
742 break;
743 default:
744 return -1;
745 }
746 if (ssid->frequency == 0)
747 ssid->frequency = 2462; /* default channel 11 */
748 params.freq.freq = ssid->frequency;
749
750 params.wpa_proto = ssid->proto;
751 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
752 wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
753 else
754 wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
755 params.key_mgmt_suite = wpa_s->key_mgmt;
756
757 wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher,
758 1);
759 if (wpa_s->pairwise_cipher < 0) {
760 wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
761 "cipher.");
762 return -1;
763 }
764 params.pairwise_suite = wpa_s->pairwise_cipher;
765 params.group_suite = params.pairwise_suite;
766
767 #ifdef CONFIG_P2P
768 if (ssid->mode == WPAS_MODE_P2P_GO ||
769 ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
770 params.p2p = 1;
771 #endif /* CONFIG_P2P */
772
773 if (wpa_s->p2pdev->set_ap_uapsd)
774 params.uapsd = wpa_s->p2pdev->ap_uapsd;
775 else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
776 params.uapsd = 1; /* mandatory for P2P GO */
777 else
778 params.uapsd = -1;
779
780 if (ieee80211_is_dfs(params.freq.freq, wpa_s->hw.modes,
781 wpa_s->hw.num_modes))
782 params.freq.freq = 0; /* set channel after CAC */
783
784 if (params.p2p)
785 wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO);
786 else
787 wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS);
788
789 if (wpa_drv_associate(wpa_s, &params) < 0) {
790 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
791 return -1;
792 }
793
794 wpa_s->ap_iface = hapd_iface = hostapd_alloc_iface();
795 if (hapd_iface == NULL)
796 return -1;
797 hapd_iface->owner = wpa_s;
798 hapd_iface->drv_flags = wpa_s->drv_flags;
799 hapd_iface->smps_modes = wpa_s->drv_smps_modes;
800 hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads;
801 hapd_iface->extended_capa = wpa_s->extended_capa;
802 hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask;
803 hapd_iface->extended_capa_len = wpa_s->extended_capa_len;
804
805 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
806 if (conf == NULL) {
807 wpa_supplicant_ap_deinit(wpa_s);
808 return -1;
809 }
810
811 os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params,
812 wpa_s->conf->wmm_ac_params,
813 sizeof(wpa_s->conf->wmm_ac_params));
814
815 if (params.uapsd > 0) {
816 conf->bss[0]->wmm_enabled = 1;
817 conf->bss[0]->wmm_uapsd = 1;
818 }
819
820 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
821 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
822 wpa_supplicant_ap_deinit(wpa_s);
823 return -1;
824 }
825
826 #ifdef CONFIG_P2P
827 if (ssid->mode == WPAS_MODE_P2P_GO)
828 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
829 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
830 conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
831 P2P_GROUP_FORMATION;
832 #endif /* CONFIG_P2P */
833
834 hapd_iface->num_bss = conf->num_bss;
835 hapd_iface->bss = os_calloc(conf->num_bss,
836 sizeof(struct hostapd_data *));
837 if (hapd_iface->bss == NULL) {
838 wpa_supplicant_ap_deinit(wpa_s);
839 return -1;
840 }
841
842 for (i = 0; i < conf->num_bss; i++) {
843 hapd_iface->bss[i] =
844 hostapd_alloc_bss_data(hapd_iface, conf,
845 conf->bss[i]);
846 if (hapd_iface->bss[i] == NULL) {
847 wpa_supplicant_ap_deinit(wpa_s);
848 return -1;
849 }
850
851 hapd_iface->bss[i]->msg_ctx = wpa_s;
852 hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev;
853 hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
854 hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
855 hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
856 hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
857 hostapd_register_probereq_cb(hapd_iface->bss[i],
858 ap_probe_req_rx, wpa_s);
859 hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
860 hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
861 hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb;
862 hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s;
863 hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb;
864 hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s;
865 #ifdef CONFIG_P2P
866 hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb;
867 hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s;
868 hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
869 hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s,
870 ssid);
871 #endif /* CONFIG_P2P */
872 hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb;
873 hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s;
874 #ifdef CONFIG_TESTING_OPTIONS
875 hapd_iface->bss[i]->ext_eapol_frame_io =
876 wpa_s->ext_eapol_frame_io;
877 #endif /* CONFIG_TESTING_OPTIONS */
878 }
879
880 os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
881 hapd_iface->bss[0]->driver = wpa_s->driver;
882 hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
883
884 wpa_s->current_ssid = ssid;
885 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
886 os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
887 wpa_s->assoc_freq = ssid->frequency;
888
889 #if defined(CONFIG_P2P) && defined(CONFIG_ACS)
890 if (wpa_s->p2p_go_do_acs) {
891 wpa_s->ap_iface->conf->channel = 0;
892 wpa_s->ap_iface->conf->hw_mode = wpa_s->p2p_go_acs_band;
893 ssid->acs = 1;
894 }
895 #endif /* CONFIG_P2P && CONFIG_ACS */
896
897 if (hostapd_setup_interface(wpa_s->ap_iface)) {
898 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
899 wpa_supplicant_ap_deinit(wpa_s);
900 return -1;
901 }
902
903 return 0;
904 }
905
906
907 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
908 {
909 #ifdef CONFIG_WPS
910 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
911 #endif /* CONFIG_WPS */
912
913 if (wpa_s->ap_iface == NULL)
914 return;
915
916 wpa_s->current_ssid = NULL;
917 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
918 wpa_s->assoc_freq = 0;
919 wpas_p2p_ap_deinit(wpa_s);
920 wpa_s->ap_iface->driver_ap_teardown =
921 !!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
922
923 hostapd_interface_deinit(wpa_s->ap_iface);
924 hostapd_interface_free(wpa_s->ap_iface);
925 wpa_s->ap_iface = NULL;
926 wpa_drv_deinit_ap(wpa_s);
927 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
928 " reason=%d locally_generated=1",
929 MAC2STR(wpa_s->own_addr), WLAN_REASON_DEAUTH_LEAVING);
930 }
931
932
933 void ap_tx_status(void *ctx, const u8 *addr,
934 const u8 *buf, size_t len, int ack)
935 {
936 #ifdef NEED_AP_MLME
937 struct wpa_supplicant *wpa_s = ctx;
938 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
939 #endif /* NEED_AP_MLME */
940 }
941
942
943 void ap_eapol_tx_status(void *ctx, const u8 *dst,
944 const u8 *data, size_t len, int ack)
945 {
946 #ifdef NEED_AP_MLME
947 struct wpa_supplicant *wpa_s = ctx;
948 if (!wpa_s->ap_iface)
949 return;
950 hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
951 #endif /* NEED_AP_MLME */
952 }
953
954
955 void ap_client_poll_ok(void *ctx, const u8 *addr)
956 {
957 #ifdef NEED_AP_MLME
958 struct wpa_supplicant *wpa_s = ctx;
959 if (wpa_s->ap_iface)
960 hostapd_client_poll_ok(wpa_s->ap_iface->bss[0], addr);
961 #endif /* NEED_AP_MLME */
962 }
963
964
965 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr, int wds)
966 {
967 #ifdef NEED_AP_MLME
968 struct wpa_supplicant *wpa_s = ctx;
969 ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], addr, wds);
970 #endif /* NEED_AP_MLME */
971 }
972
973
974 void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
975 {
976 #ifdef NEED_AP_MLME
977 struct wpa_supplicant *wpa_s = ctx;
978 struct hostapd_frame_info fi;
979 os_memset(&fi, 0, sizeof(fi));
980 fi.datarate = rx_mgmt->datarate;
981 fi.ssi_signal = rx_mgmt->ssi_signal;
982 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
983 rx_mgmt->frame_len, &fi);
984 #endif /* NEED_AP_MLME */
985 }
986
987
988 void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
989 {
990 #ifdef NEED_AP_MLME
991 struct wpa_supplicant *wpa_s = ctx;
992 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
993 #endif /* NEED_AP_MLME */
994 }
995
996
997 void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
998 const u8 *src_addr, const u8 *buf, size_t len)
999 {
1000 ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
1001 }
1002
1003
1004 #ifdef CONFIG_WPS
1005
1006 int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1007 const u8 *p2p_dev_addr)
1008 {
1009 if (!wpa_s->ap_iface)
1010 return -1;
1011 return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0],
1012 p2p_dev_addr);
1013 }
1014
1015
1016 int wpa_supplicant_ap_wps_cancel(struct wpa_supplicant *wpa_s)
1017 {
1018 struct wps_registrar *reg;
1019 int reg_sel = 0, wps_sta = 0;
1020
1021 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0]->wps)
1022 return -1;
1023
1024 reg = wpa_s->ap_iface->bss[0]->wps->registrar;
1025 reg_sel = wps_registrar_wps_cancel(reg);
1026 wps_sta = ap_for_each_sta(wpa_s->ap_iface->bss[0],
1027 ap_sta_wps_cancel, NULL);
1028
1029 if (!reg_sel && !wps_sta) {
1030 wpa_printf(MSG_DEBUG, "No WPS operation in progress at this "
1031 "time");
1032 return -1;
1033 }
1034
1035 /*
1036 * There are 2 cases to return wps cancel as success:
1037 * 1. When wps cancel was initiated but no connection has been
1038 * established with client yet.
1039 * 2. Client is in the middle of exchanging WPS messages.
1040 */
1041
1042 return 0;
1043 }
1044
1045
1046 int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1047 const char *pin, char *buf, size_t buflen,
1048 int timeout)
1049 {
1050 int ret, ret_len = 0;
1051
1052 if (!wpa_s->ap_iface)
1053 return -1;
1054
1055 if (pin == NULL) {
1056 unsigned int rpin;
1057
1058 if (wps_generate_pin(&rpin) < 0)
1059 return -1;
1060 ret_len = os_snprintf(buf, buflen, "%08d", rpin);
1061 if (os_snprintf_error(buflen, ret_len))
1062 return -1;
1063 pin = buf;
1064 } else if (buf) {
1065 ret_len = os_snprintf(buf, buflen, "%s", pin);
1066 if (os_snprintf_error(buflen, ret_len))
1067 return -1;
1068 }
1069
1070 ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
1071 timeout);
1072 if (ret)
1073 return -1;
1074 return ret_len;
1075 }
1076
1077
1078 static void wpas_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
1079 {
1080 struct wpa_supplicant *wpa_s = eloop_data;
1081 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
1082 wpas_wps_ap_pin_disable(wpa_s);
1083 }
1084
1085
1086 static void wpas_wps_ap_pin_enable(struct wpa_supplicant *wpa_s, int timeout)
1087 {
1088 struct hostapd_data *hapd;
1089
1090 if (wpa_s->ap_iface == NULL)
1091 return;
1092 hapd = wpa_s->ap_iface->bss[0];
1093 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
1094 hapd->ap_pin_failures = 0;
1095 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
1096 if (timeout > 0)
1097 eloop_register_timeout(timeout, 0,
1098 wpas_wps_ap_pin_timeout, wpa_s, NULL);
1099 }
1100
1101
1102 void wpas_wps_ap_pin_disable(struct wpa_supplicant *wpa_s)
1103 {
1104 struct hostapd_data *hapd;
1105
1106 if (wpa_s->ap_iface == NULL)
1107 return;
1108 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
1109 hapd = wpa_s->ap_iface->bss[0];
1110 os_free(hapd->conf->ap_pin);
1111 hapd->conf->ap_pin = NULL;
1112 eloop_cancel_timeout(wpas_wps_ap_pin_timeout, wpa_s, NULL);
1113 }
1114
1115
1116 const char * wpas_wps_ap_pin_random(struct wpa_supplicant *wpa_s, int timeout)
1117 {
1118 struct hostapd_data *hapd;
1119 unsigned int pin;
1120 char pin_txt[9];
1121
1122 if (wpa_s->ap_iface == NULL)
1123 return NULL;
1124 hapd = wpa_s->ap_iface->bss[0];
1125 if (wps_generate_pin(&pin) < 0)
1126 return NULL;
1127 os_snprintf(pin_txt, sizeof(pin_txt), "%08u", pin);
1128 os_free(hapd->conf->ap_pin);
1129 hapd->conf->ap_pin = os_strdup(pin_txt);
1130 if (hapd->conf->ap_pin == NULL)
1131 return NULL;
1132 wpas_wps_ap_pin_enable(wpa_s, timeout);
1133
1134 return hapd->conf->ap_pin;
1135 }
1136
1137
1138 const char * wpas_wps_ap_pin_get(struct wpa_supplicant *wpa_s)
1139 {
1140 struct hostapd_data *hapd;
1141 if (wpa_s->ap_iface == NULL)
1142 return NULL;
1143 hapd = wpa_s->ap_iface->bss[0];
1144 return hapd->conf->ap_pin;
1145 }
1146
1147
1148 int wpas_wps_ap_pin_set(struct wpa_supplicant *wpa_s, const char *pin,
1149 int timeout)
1150 {
1151 struct hostapd_data *hapd;
1152 char pin_txt[9];
1153 int ret;
1154
1155 if (wpa_s->ap_iface == NULL)
1156 return -1;
1157 hapd = wpa_s->ap_iface->bss[0];
1158 ret = os_snprintf(pin_txt, sizeof(pin_txt), "%s", pin);
1159 if (os_snprintf_error(sizeof(pin_txt), ret))
1160 return -1;
1161 os_free(hapd->conf->ap_pin);
1162 hapd->conf->ap_pin = os_strdup(pin_txt);
1163 if (hapd->conf->ap_pin == NULL)
1164 return -1;
1165 wpas_wps_ap_pin_enable(wpa_s, timeout);
1166
1167 return 0;
1168 }
1169
1170
1171 void wpa_supplicant_ap_pwd_auth_fail(struct wpa_supplicant *wpa_s)
1172 {
1173 struct hostapd_data *hapd;
1174
1175 if (wpa_s->ap_iface == NULL)
1176 return;
1177 hapd = wpa_s->ap_iface->bss[0];
1178
1179 /*
1180 * Registrar failed to prove its knowledge of the AP PIN. Disable AP
1181 * PIN if this happens multiple times to slow down brute force attacks.
1182 */
1183 hapd->ap_pin_failures++;
1184 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
1185 hapd->ap_pin_failures);
1186 if (hapd->ap_pin_failures < 3)
1187 return;
1188
1189 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN");
1190 hapd->ap_pin_failures = 0;
1191 os_free(hapd->conf->ap_pin);
1192 hapd->conf->ap_pin = NULL;
1193 }
1194
1195
1196 #ifdef CONFIG_WPS_NFC
1197
1198 struct wpabuf * wpas_ap_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
1199 int ndef)
1200 {
1201 struct hostapd_data *hapd;
1202
1203 if (wpa_s->ap_iface == NULL)
1204 return NULL;
1205 hapd = wpa_s->ap_iface->bss[0];
1206 return hostapd_wps_nfc_config_token(hapd, ndef);
1207 }
1208
1209
1210 struct wpabuf * wpas_ap_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
1211 int ndef)
1212 {
1213 struct hostapd_data *hapd;
1214
1215 if (wpa_s->ap_iface == NULL)
1216 return NULL;
1217 hapd = wpa_s->ap_iface->bss[0];
1218 return hostapd_wps_nfc_hs_cr(hapd, ndef);
1219 }
1220
1221
1222 int wpas_ap_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
1223 const struct wpabuf *req,
1224 const struct wpabuf *sel)
1225 {
1226 struct hostapd_data *hapd;
1227
1228 if (wpa_s->ap_iface == NULL)
1229 return -1;
1230 hapd = wpa_s->ap_iface->bss[0];
1231 return hostapd_wps_nfc_report_handover(hapd, req, sel);
1232 }
1233
1234 #endif /* CONFIG_WPS_NFC */
1235
1236 #endif /* CONFIG_WPS */
1237
1238
1239 #ifdef CONFIG_CTRL_IFACE
1240
1241 int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
1242 char *buf, size_t buflen)
1243 {
1244 struct hostapd_data *hapd;
1245
1246 if (wpa_s->ap_iface)
1247 hapd = wpa_s->ap_iface->bss[0];
1248 else if (wpa_s->ifmsh)
1249 hapd = wpa_s->ifmsh->bss[0];
1250 else
1251 return -1;
1252 return hostapd_ctrl_iface_sta_first(hapd, buf, buflen);
1253 }
1254
1255
1256 int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
1257 char *buf, size_t buflen)
1258 {
1259 struct hostapd_data *hapd;
1260
1261 if (wpa_s->ap_iface)
1262 hapd = wpa_s->ap_iface->bss[0];
1263 else if (wpa_s->ifmsh)
1264 hapd = wpa_s->ifmsh->bss[0];
1265 else
1266 return -1;
1267 return hostapd_ctrl_iface_sta(hapd, txtaddr, buf, buflen);
1268 }
1269
1270
1271 int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
1272 char *buf, size_t buflen)
1273 {
1274 struct hostapd_data *hapd;
1275
1276 if (wpa_s->ap_iface)
1277 hapd = wpa_s->ap_iface->bss[0];
1278 else if (wpa_s->ifmsh)
1279 hapd = wpa_s->ifmsh->bss[0];
1280 else
1281 return -1;
1282 return hostapd_ctrl_iface_sta_next(hapd, txtaddr, buf, buflen);
1283 }
1284
1285
1286 int ap_ctrl_iface_sta_disassociate(struct wpa_supplicant *wpa_s,
1287 const char *txtaddr)
1288 {
1289 if (wpa_s->ap_iface == NULL)
1290 return -1;
1291 return hostapd_ctrl_iface_disassociate(wpa_s->ap_iface->bss[0],
1292 txtaddr);
1293 }
1294
1295
1296 int ap_ctrl_iface_sta_deauthenticate(struct wpa_supplicant *wpa_s,
1297 const char *txtaddr)
1298 {
1299 if (wpa_s->ap_iface == NULL)
1300 return -1;
1301 return hostapd_ctrl_iface_deauthenticate(wpa_s->ap_iface->bss[0],
1302 txtaddr);
1303 }
1304
1305
1306 int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
1307 size_t buflen, int verbose)
1308 {
1309 char *pos = buf, *end = buf + buflen;
1310 int ret;
1311 struct hostapd_bss_config *conf;
1312
1313 if (wpa_s->ap_iface == NULL)
1314 return -1;
1315
1316 conf = wpa_s->ap_iface->bss[0]->conf;
1317 if (conf->wpa == 0)
1318 return 0;
1319
1320 ret = os_snprintf(pos, end - pos,
1321 "pairwise_cipher=%s\n"
1322 "group_cipher=%s\n"
1323 "key_mgmt=%s\n",
1324 wpa_cipher_txt(conf->rsn_pairwise),
1325 wpa_cipher_txt(conf->wpa_group),
1326 wpa_key_mgmt_txt(conf->wpa_key_mgmt,
1327 conf->wpa));
1328 if (os_snprintf_error(end - pos, ret))
1329 return pos - buf;
1330 pos += ret;
1331 return pos - buf;
1332 }
1333
1334 #endif /* CONFIG_CTRL_IFACE */
1335
1336
1337 int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
1338 {
1339 struct hostapd_iface *iface = wpa_s->ap_iface;
1340 struct wpa_ssid *ssid = wpa_s->current_ssid;
1341 struct hostapd_data *hapd;
1342
1343 if (ssid == NULL || wpa_s->ap_iface == NULL ||
1344 ssid->mode == WPAS_MODE_INFRA ||
1345 ssid->mode == WPAS_MODE_IBSS)
1346 return -1;
1347
1348 #ifdef CONFIG_P2P
1349 if (ssid->mode == WPAS_MODE_P2P_GO)
1350 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER;
1351 else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
1352 iface->conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER |
1353 P2P_GROUP_FORMATION;
1354 #endif /* CONFIG_P2P */
1355
1356 hapd = iface->bss[0];
1357 if (hapd->drv_priv == NULL)
1358 return -1;
1359 ieee802_11_set_beacons(iface);
1360 hostapd_set_ap_wps_ie(hapd);
1361
1362 return 0;
1363 }
1364
1365
1366 int ap_switch_channel(struct wpa_supplicant *wpa_s,
1367 struct csa_settings *settings)
1368 {
1369 #ifdef NEED_AP_MLME
1370 if (!wpa_s->ap_iface || !wpa_s->ap_iface->bss[0])
1371 return -1;
1372
1373 return hostapd_switch_channel(wpa_s->ap_iface->bss[0], settings);
1374 #else /* NEED_AP_MLME */
1375 return -1;
1376 #endif /* NEED_AP_MLME */
1377 }
1378
1379
1380 #ifdef CONFIG_CTRL_IFACE
1381 int ap_ctrl_iface_chanswitch(struct wpa_supplicant *wpa_s, const char *pos)
1382 {
1383 struct csa_settings settings;
1384 int ret = hostapd_parse_csa_settings(pos, &settings);
1385
1386 if (ret)
1387 return ret;
1388
1389 return ap_switch_channel(wpa_s, &settings);
1390 }
1391 #endif /* CONFIG_CTRL_IFACE */
1392
1393
1394 void wpas_ap_ch_switch(struct wpa_supplicant *wpa_s, int freq, int ht,
1395 int offset, int width, int cf1, int cf2, int finished)
1396 {
1397 struct hostapd_iface *iface = wpa_s->ap_iface;
1398
1399 if (!iface)
1400 iface = wpa_s->ifmsh;
1401 if (!iface)
1402 return;
1403 wpa_s->assoc_freq = freq;
1404 if (wpa_s->current_ssid)
1405 wpa_s->current_ssid->frequency = freq;
1406 hostapd_event_ch_switch(iface->bss[0], freq, ht,
1407 offset, width, cf1, cf2, finished);
1408 }
1409
1410
1411 int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
1412 const u8 *addr)
1413 {
1414 struct hostapd_data *hapd;
1415 struct hostapd_bss_config *conf;
1416
1417 if (!wpa_s->ap_iface)
1418 return -1;
1419
1420 if (addr)
1421 wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
1422 MAC2STR(addr));
1423 else
1424 wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
1425
1426 hapd = wpa_s->ap_iface->bss[0];
1427 conf = hapd->conf;
1428
1429 os_free(conf->accept_mac);
1430 conf->accept_mac = NULL;
1431 conf->num_accept_mac = 0;
1432 os_free(conf->deny_mac);
1433 conf->deny_mac = NULL;
1434 conf->num_deny_mac = 0;
1435
1436 if (addr == NULL) {
1437 conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
1438 return 0;
1439 }
1440
1441 conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
1442 conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
1443 if (conf->accept_mac == NULL)
1444 return -1;
1445 os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
1446 conf->num_accept_mac = 1;
1447
1448 return 0;
1449 }
1450
1451
1452 #ifdef CONFIG_WPS_NFC
1453 int wpas_ap_wps_add_nfc_pw(struct wpa_supplicant *wpa_s, u16 pw_id,
1454 const struct wpabuf *pw, const u8 *pubkey_hash)
1455 {
1456 struct hostapd_data *hapd;
1457 struct wps_context *wps;
1458
1459 if (!wpa_s->ap_iface)
1460 return -1;
1461 hapd = wpa_s->ap_iface->bss[0];
1462 wps = hapd->wps;
1463
1464 if (wpa_s->p2pdev->conf->wps_nfc_dh_pubkey == NULL ||
1465 wpa_s->p2pdev->conf->wps_nfc_dh_privkey == NULL) {
1466 wpa_printf(MSG_DEBUG, "P2P: No NFC DH key known");
1467 return -1;
1468 }
1469
1470 dh5_free(wps->dh_ctx);
1471 wpabuf_free(wps->dh_pubkey);
1472 wpabuf_free(wps->dh_privkey);
1473 wps->dh_privkey = wpabuf_dup(
1474 wpa_s->p2pdev->conf->wps_nfc_dh_privkey);
1475 wps->dh_pubkey = wpabuf_dup(
1476 wpa_s->p2pdev->conf->wps_nfc_dh_pubkey);
1477 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
1478 wps->dh_ctx = NULL;
1479 wpabuf_free(wps->dh_pubkey);
1480 wps->dh_pubkey = NULL;
1481 wpabuf_free(wps->dh_privkey);
1482 wps->dh_privkey = NULL;
1483 return -1;
1484 }
1485 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
1486 if (wps->dh_ctx == NULL)
1487 return -1;
1488
1489 return wps_registrar_add_nfc_pw_token(hapd->wps->registrar, pubkey_hash,
1490 pw_id,
1491 pw ? wpabuf_head(pw) : NULL,
1492 pw ? wpabuf_len(pw) : 0, 1);
1493 }
1494 #endif /* CONFIG_WPS_NFC */
1495
1496
1497 #ifdef CONFIG_CTRL_IFACE
1498 int wpas_ap_stop_ap(struct wpa_supplicant *wpa_s)
1499 {
1500 struct hostapd_data *hapd;
1501
1502 if (!wpa_s->ap_iface)
1503 return -1;
1504 hapd = wpa_s->ap_iface->bss[0];
1505 return hostapd_ctrl_iface_stop_ap(hapd);
1506 }
1507
1508
1509 int wpas_ap_pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf,
1510 size_t len)
1511 {
1512 size_t reply_len = 0, i;
1513 char ap_delimiter[] = "---- AP ----\n";
1514 char mesh_delimiter[] = "---- mesh ----\n";
1515 size_t dlen;
1516
1517 if (wpa_s->ap_iface) {
1518 dlen = os_strlen(ap_delimiter);
1519 if (dlen > len - reply_len)
1520 return reply_len;
1521 os_memcpy(&buf[reply_len], ap_delimiter, dlen);
1522 reply_len += dlen;
1523
1524 for (i = 0; i < wpa_s->ap_iface->num_bss; i++) {
1525 reply_len += hostapd_ctrl_iface_pmksa_list(
1526 wpa_s->ap_iface->bss[i],
1527 &buf[reply_len], len - reply_len);
1528 }
1529 }
1530
1531 if (wpa_s->ifmsh) {
1532 dlen = os_strlen(mesh_delimiter);
1533 if (dlen > len - reply_len)
1534 return reply_len;
1535 os_memcpy(&buf[reply_len], mesh_delimiter, dlen);
1536 reply_len += dlen;
1537
1538 reply_len += hostapd_ctrl_iface_pmksa_list(
1539 wpa_s->ifmsh->bss[0], &buf[reply_len],
1540 len - reply_len);
1541 }
1542
1543 return reply_len;
1544 }
1545
1546
1547 void wpas_ap_pmksa_cache_flush(struct wpa_supplicant *wpa_s)
1548 {
1549 size_t i;
1550
1551 if (wpa_s->ap_iface) {
1552 for (i = 0; i < wpa_s->ap_iface->num_bss; i++)
1553 hostapd_ctrl_iface_pmksa_flush(wpa_s->ap_iface->bss[i]);
1554 }
1555
1556 if (wpa_s->ifmsh)
1557 hostapd_ctrl_iface_pmksa_flush(wpa_s->ifmsh->bss[0]);
1558 }
1559
1560
1561 #ifdef CONFIG_PMKSA_CACHE_EXTERNAL
1562 #ifdef CONFIG_MESH
1563
1564 int wpas_ap_pmksa_cache_list_mesh(struct wpa_supplicant *wpa_s, const u8 *addr,
1565 char *buf, size_t len)
1566 {
1567 return hostapd_ctrl_iface_pmksa_list_mesh(wpa_s->ifmsh->bss[0], addr,
1568 &buf[0], len);
1569 }
1570
1571
1572 int wpas_ap_pmksa_cache_add_external(struct wpa_supplicant *wpa_s, char *cmd)
1573 {
1574 struct external_pmksa_cache *entry;
1575 void *pmksa_cache;
1576
1577 pmksa_cache = hostapd_ctrl_iface_pmksa_create_entry(wpa_s->own_addr,
1578 cmd);
1579 if (!pmksa_cache)
1580 return -1;
1581
1582 entry = os_zalloc(sizeof(struct external_pmksa_cache));
1583 if (!entry)
1584 return -1;
1585
1586 entry->pmksa_cache = pmksa_cache;
1587
1588 dl_list_add(&wpa_s->mesh_external_pmksa_cache, &entry->list);
1589
1590 return 0;
1591 }
1592
1593 #endif /* CONFIG_MESH */
1594 #endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
1595
1596 #endif /* CONFIG_CTRL_IFACE */
1597
1598
1599 #ifdef NEED_AP_MLME
1600 void wpas_ap_event_dfs_radar_detected(struct wpa_supplicant *wpa_s,
1601 struct dfs_event *radar)
1602 {
1603 struct hostapd_iface *iface = wpa_s->ap_iface;
1604
1605 if (!iface)
1606 iface = wpa_s->ifmsh;
1607 if (!iface || !iface->bss[0])
1608 return;
1609 wpa_printf(MSG_DEBUG, "DFS radar detected on %d MHz", radar->freq);
1610 hostapd_dfs_radar_detected(iface, radar->freq,
1611 radar->ht_enabled, radar->chan_offset,
1612 radar->chan_width,
1613 radar->cf1, radar->cf2);
1614 }
1615
1616
1617 void wpas_ap_event_dfs_cac_started(struct wpa_supplicant *wpa_s,
1618 struct dfs_event *radar)
1619 {
1620 struct hostapd_iface *iface = wpa_s->ap_iface;
1621
1622 if (!iface)
1623 iface = wpa_s->ifmsh;
1624 if (!iface || !iface->bss[0])
1625 return;
1626 wpa_printf(MSG_DEBUG, "DFS CAC started on %d MHz", radar->freq);
1627 hostapd_dfs_start_cac(iface, radar->freq,
1628 radar->ht_enabled, radar->chan_offset,
1629 radar->chan_width, radar->cf1, radar->cf2);
1630 }
1631
1632
1633 void wpas_ap_event_dfs_cac_finished(struct wpa_supplicant *wpa_s,
1634 struct dfs_event *radar)
1635 {
1636 struct hostapd_iface *iface = wpa_s->ap_iface;
1637
1638 if (!iface)
1639 iface = wpa_s->ifmsh;
1640 if (!iface || !iface->bss[0])
1641 return;
1642 wpa_printf(MSG_DEBUG, "DFS CAC finished on %d MHz", radar->freq);
1643 hostapd_dfs_complete_cac(iface, 1, radar->freq,
1644 radar->ht_enabled, radar->chan_offset,
1645 radar->chan_width, radar->cf1, radar->cf2);
1646 }
1647
1648
1649 void wpas_ap_event_dfs_cac_aborted(struct wpa_supplicant *wpa_s,
1650 struct dfs_event *radar)
1651 {
1652 struct hostapd_iface *iface = wpa_s->ap_iface;
1653
1654 if (!iface)
1655 iface = wpa_s->ifmsh;
1656 if (!iface || !iface->bss[0])
1657 return;
1658 wpa_printf(MSG_DEBUG, "DFS CAC aborted on %d MHz", radar->freq);
1659 hostapd_dfs_complete_cac(iface, 0, radar->freq,
1660 radar->ht_enabled, radar->chan_offset,
1661 radar->chan_width, radar->cf1, radar->cf2);
1662 }
1663
1664
1665 void wpas_ap_event_dfs_cac_nop_finished(struct wpa_supplicant *wpa_s,
1666 struct dfs_event *radar)
1667 {
1668 struct hostapd_iface *iface = wpa_s->ap_iface;
1669
1670 if (!iface)
1671 iface = wpa_s->ifmsh;
1672 if (!iface || !iface->bss[0])
1673 return;
1674 wpa_printf(MSG_DEBUG, "DFS NOP finished on %d MHz", radar->freq);
1675 hostapd_dfs_nop_finished(iface, radar->freq,
1676 radar->ht_enabled, radar->chan_offset,
1677 radar->chan_width, radar->cf1, radar->cf2);
1678 }
1679 #endif /* NEED_AP_MLME */
1680
1681
1682 void ap_periodic(struct wpa_supplicant *wpa_s)
1683 {
1684 if (wpa_s->ap_iface)
1685 hostapd_periodic_iface(wpa_s->ap_iface);
1686 }